鈥?/div>
Features
Single Power Supply
Read and Write Voltage, 5 V
鹵
5%
High Performance
200 ns Maximum Access Time
6 ms Typical Sector Write
CMOS Low Power Consumption
25 mA Typical Active Current (Byte Mode)
400
碌A(chǔ)
Typical Standby Current
Fully MS-DOS Compatible Flash Driver and Formatter
Virtual-Disk Flash Driver with 512 Bytes/Sector
Random Read/Write to any Sector
No Erase Operation Required Prior to any Write
Zero Data Retention Power
Batteries not Required for Data Storage
PCMCIA/JEIDA 68-Pin Standard
Selectable Byte- or Word-Wide Configuration
High Re-programmable Endurance
Built-in Redundancy for Sector Replacement
Minimum 100,000 Write Cycles
Five Levels of Write Protection
Prevent Accidental Data Loss
8-Megabyte
Flash Memory
PCMCIA Card
AT5FC008
Preliminary
Block Diagram
23
ADDRESS
BUFFERS
A1-A19
19
PCMCIA
JEIDA
16
DATA
TRANSCEIVERS
16
A
0
,
A
20
,
8-MBYTE FLASH
MEMORY ARRAY
68 PINS
5
BUS
CONTROL
A21,
A22
CE
X
, WE, OE, REG
Pin Configuration
Pin Name
A0-A22
D0-D15
CE1, CE2,
WE, OE, REG
CD, WP
BVD1, BVD2
Function
Addresses
Data
Control Signals
Card Status
GND
D3
D4
D5
D6
D7
CE1
A10
OE
A11
A9
A8
A13
A14
WE
NC
VCC
NC
A16
A15
A12
A7
A6
A5
A4
A3
A2
A1
A0
D0
D1
D2
WP
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
GND
CD1
D11
D12
D13
D14
D15
CE2
NC
RFU
RFU
A17
A18
A19
A20
A21
VCC
NC
A22
NC
NC
NC
NC
NC
NC
NC
REG
BVD2
BVD1
D8
D9
D10
CD2
GND